package com.mmall.common;

import com.mmall.util.PropertiesUtil;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

public class RedisPool {
    private  static JedisPool pool; //jedis 连接池
    private static Integer maxTotal = Integer.parseInt(PropertiesUtil.getProperty("redis.max.total","20")); //最大连接数
    private static  Integer maxIdle = Integer.parseInt(PropertiesUtil.getProperty("redis.max.idle","10"));//在jedispool中最大的idle 状态（空闲）的jedis实例个数
    private static  Integer minIdle = Integer.parseInt(PropertiesUtil.getProperty("redis.min.idle","2"));//在jedispool中最小的idle 状态（空闲）的jedis实例个数
    private static Boolean testOnBorrow= Boolean.parseBoolean(PropertiesUtil.getProperty("redis.test.borrow","true")); //在borrow 一个jedis实例的时候。是否要进行验证操作，如果赋值true，则得到jedis实例肯定是可以用的
    private static Boolean testOnReturn=  Boolean.parseBoolean(PropertiesUtil.getProperty("redis.test.return","true"));//在return 一个jedis实例的时候。是否要进行验证操作，如果赋值true，则放回jedispool的jedis实例肯定是可以用的

    private static String  redisIp =PropertiesUtil.getProperty("redis.ip");
    private static Integer  redisPort =Integer.parseInt(PropertiesUtil.getProperty("redis.port"));

    private static void initPool(){
        JedisPoolConfig config = new JedisPoolConfig();
        config.setMaxTotal(maxTotal);
        config.setMaxIdle(maxIdle);
        config.setMinIdle(minIdle);
        config.setTestOnBorrow(testOnBorrow);
        config.setTestOnReturn(testOnReturn);

        config.setBlockWhenExhausted(true); //连接耗尽时，是否阻塞，false会异常，true阻塞知道超时，默认为true

        pool = new JedisPool(config,redisIp,redisPort,1000*2);
    }

    static {
        initPool();
    }

    public static Jedis getJedis(){
        return pool.getResource();
    }

    public static void returnBrokenResource(Jedis jedis){
        pool.returnBrokenResource(jedis);
    }

    public static void returnResource(Jedis jedis){
        pool.returnResource(jedis);
    }

    public static void main(String[] args) {
        Jedis jedis = getJedis();
        jedis.set("cwkey","cwvalue");
        returnResource(jedis);

        pool.destroy();//临时调用销毁连接池所有连接
        System.out.println( "program is end");

    }
}
